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Faecal Sedimentation for Trematode Egg Detection

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Faecal Sedimentation for Trematode Egg Detection

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Questions and Answers

What is the primary purpose of the faecal sedimentation technique?

To quantify the amount of trematode eggs in faeces

To detect trematode eggs in faeces (correct)

To detect nematode eggs in faeces

To distinguish between trematode and cestode eggs

What is the ratio of faeces to water in the initial mixture of the sedimentation procedure?

1:15 (correct)

1:5

1:20

1:10

What is the purpose of adding 10% formalin to the mixture?

To increase the viscosity of the mixture

To dissolve the ether

To preserve the trematode eggs (correct)

To facilitate the sedimentation process

What is characteristic of the body of common trematodes?

Flattened body Signup and view all the answers

How many suckers do common trematodes have?

Two Signup and view all the answers

What is unique about the life cycle of trematodes?

They are heteroxenous parasites Signup and view all the answers

Which of the following trematodes has a characteristic cephalic cone?

Fasciola hepatica Signup and view all the answers

What is the size of the egg of Fasciola hepatica?

130-150 µm long by 60-90 µm wide Signup and view all the answers

Which stage of the trematode life cycle is infective?

The Metacercaria Signup and view all the answers

What is the common name of Paramphistomum spp.?

Rumen Fluke Signup and view all the answers

Which of the following trematodes has a flat body shape?

Fasciola hepatica Signup and view all the answers

What is the length of the Cercaria of Fasciola hepatica?

Long and unforked Signup and view all the answers

What is the typical size of a Fascioloides magna in the liver parenchyma?

1 cm Signup and view all the answers

What is the characteristic feature of Schistosoma haematobium eggs?

Presence of a prominent terminal spine at the posterior end Signup and view all the answers

Faecal Sedimentation for Trematode Egg Detection

Choose a study mode

Podcast

Questions and Answers

What is the primary purpose of the faecal sedimentation technique?

What is the ratio of faeces to water in the initial mixture of the sedimentation procedure?

What is the purpose of adding 10% formalin to the mixture?

What is characteristic of the body of common trematodes?

How many suckers do common trematodes have?

What is unique about the life cycle of trematodes?

Which of the following trematodes has a characteristic cephalic cone?

What is the size of the egg of Fasciola hepatica?

Which stage of the trematode life cycle is infective?

What is the common name of Paramphistomum spp.?

Which of the following trematodes has a flat body shape?

What is the length of the Cercaria of Fasciola hepatica?

What is the typical size of a Fascioloides magna in the liver parenchyma?

What is the characteristic feature of Schistosoma haematobium eggs?

Which of the following is NOT a characteristic of Schistosoma spp. eggs?

What is the typical location of Dicrocoelium dendriticum in the host?

What is the size range of Schistosoma japonicum eggs?

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